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- W2025517317 abstract "A method for the determination of traces of calcium by atomic-absorption spectrometry after extraction into an organic solvent, has been investigated for the determination of traces of calcium in phosphoric acid and its salts. Calcium is extracted as the hydroxy-quinolate complex, the extract is introduced into the flame, and the calcium atomic-absorption is measured. The effects of pH, concentration of reagent, and diverse ions on the calcium extraction were investigated. On a étudié une méthode de dosage de traces de calcium par spectrométrie d'absorption atomique après extraction en solvant organique pour doser des traces de calcium dans l'acide phosphorique et ses sels. On extrait le calcium à l'état de complexe hydroxyquino-léinique, introduit l'extrait dans la flamme et mesure l'absorption atomique du calcium. On a étudié les influences du pH, de la concentration du réactif et de divers ions sur l'extraction du calcium. Ein Verfahren zur Bestimmung von Calcium-spuren durch Atomabsorptionsspektrometrie nach Extraktion in ein organisches Lösungsmittel wurde zur Bestimmung von Calciumspuren in Phosphorsäure und ihren Salzen geprüft. Calcium wird als Hydroxy-chinolatkomplex extrahiert, der Extrakt in die Flamme gebracht und die Atomabsorption von Calcium gemessen. Der Einfluß von pH, Reagenskonzentration und verschiedenen Ionen auf die Extraktion von Calcium wurden untersucht." @default.
- W2025517317 created "2016-06-24" @default.
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- W2025517317 date "1967-08-01" @default.
- W2025517317 modified "2023-09-26" @default.
- W2025517317 title "Determinations of traces of calcium in phosphoric acid and its salts by atomic-absorption spectrometry" @default.
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- W2025517317 doi "https://doi.org/10.1016/0039-9140(67)80125-5" @default.
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